Having an excellent quality Rockford Fosgate P3 12-inch subwoofer is a blessing, but powering with a bad amplifier will be a big reason behind subwoofer damage or poor audio bass. So that is why Team Fab-audio Visual is thrilled to introduce you to the list of best amplifiers for Rockford Fosgate p3 12’’ inch subwoofer for heart-pounding beats; so by following our instructions, you elevate your audio experience to an entirely new level.

The team will tell you key features and benefits that make our listed amplifiers stand out, so from your P3 subwoofer; you will enjoy every bassline, riff, and rhythm hits. Our team of audio experts truly comprehends the pursuit of achieving that impeccable equilibrium among unbridled power, meticulous control, and unmatched performance. So if you are an audiophile or a rock music enthusiast, I recommend you explore our commercial post to get an amp to enjoy the deep and booming sound.

Note: Select an amplifier capable of delivering a minimum of double the RMS power handling (at least 1200 watts RMS) of the P3 subwoofer.

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Best Amplifiers For Rockford Fosgate P3 12 Inch Subwoofer Summary

Rockford Fosgate R500X1D Amplifier Best Value Rockford Fosgate R500X1D Amplifier Read More See On Amazon
Rockford Fosgate PRIME R1000-1D Amplifier Best Performance Rockford Fosgate PRIME R1000-1D Amplifier Read More See On Amazon
RE Audio DTS-1000.1 Amplifier SA Series RE Audio DTS-1000.1 Amplifier Read More See On Amazon
JL Audio Slash 500/1 Amplifier Best Looking JL Audio Slash 500/1 Amplifier Read More See On Amazon
MTX Road Thunder RT500D Amp Best Mono Subwoofer Amplifier MTX Road Thunder RT500D Amp Read More See On Amazon

Best Amplifiers For Rockford Fosgate P3 12 Inch Subwoofer Reviews

Rockford Fosgate R500X1D Amplifier (Image credit: Amazon)

Rockford Fosgate R500X1D Amplifier

Best Value


Frequency Response: 20-250 Hz | Variable low-pass filter: 50-250 Hz, 12 dB/octave | Variable bass boost: (0-12 dB at 45 Hz)

Our list starts with a Rockford Fosgate R500X1D stands as a potent and streamlined amplifier perfectly tailored to drive the Rockford Fosgate P3 12 subwoofer. The R500X1D amp furnishes the essential power and precision to the P3 subwoofer, ensuring peak performance is achieved with utmost efficiency.

While testing the Rockford Fosgate R500X1D amp, team fab-audio visual found that this amplifier has compact design. On the front white Rockford Fosgate Logo which looks elegant. On the front below, there is a small light indicator (PWR/PRT) for indication. On the side, there are Punch Equalizer, Frequency (Hz) adjustment (50 Hz- 250 Hz), Phase Switch (0 to 180 degrees), and gain control option (1 to 7). There is a controlling panel on the R500X1D amp that contains all connecting options from speaker-level inputs and preamp outputs. The body of R500X1D is made of a heavy cast aluminum chassis which lasts for a long time, and under the $250 range, you can get this amp easily.

The Rockford Fosgate R500X1D boasts a peak power output of 500 watts at 2 ohms, coupled with a minimum RMS power of 300 watts at 4 ohms. So you will find the R500X1D amp an ideal companion to effortlessly drive your P3 subwoofer for exceptional bass quality. The outstanding feature I love is its R500X1D is its Class D technology which means with this superior feature, the amp will use pulse-width modulation (PWM) to amplify audio signals. As R500X1D is a mono subwoofer amplifier so it means you are allowed to power only your single subwoofer due to having a single channel only (only one audio amplification). Due to R500X1D class D functionally, this amp works well with a high-powered subwoofer like the P3 12 inch and ensures less overheating and battery draining excessively.

For seamless integration between the P3 subwoofer and your audio system, the Rockford company has features a built-in low-pass crossover on the R500X1D amp for subwoofer frequency range fine-tuning. I would suggest utilizing the low-pass crossover feature on the R500X1D amplifier. This allows the subwoofer to exclusively handle the low-frequency sounds it was explicitly designed for, enhancing the bass response with heightened clarity and precision.

You will also get wired remote Punch Level Control with Rockford Fosgate R500X1D (included), which you can utilize for controlling the punch of bass. With the R500X1D MOSFET power supply, you will achieve 80% efficiency. When it comes to installation, setting up the Rockford Fosgate R500X1D is relatively straightforward. It incorporates high-level inputs, enabling seamless connection to your factory stereo system, and also provides low-level inputs for linking with an aftermarket head unit.

In summary, the Rockford Fosgate R500X1D stands as an exceptional amplifier selection for the Rockford Fosgate P3 12 subwoofer. The R500X1D combination of power, efficiency, and adaptability renders it an impeccable companion for your P3 subwoofer, guaranteeing a heightened sonic experience with impactful and resonant bass that elevates your musical immersion.

Did you know? wiring 6 speakers to 2 channel amp is super easy

Rockford Fosgate PRIME R1000-1D Amplifier (Image credit: Amazon)

Rockford Fosgate PRIME R1000-1D Amplifier

Best Performance


Variable low-pass filter: (40-130 Hz, 12 dB/octave) | Variable bass boost: (0-12 dB at 45 Hz) | Frequency Response: 20-130 Hz

Following the Rockford Fosgate R500X1D, I will now delve into another amplifier for review, hailing from the same manufacturer - the Rockford Fosgate PRIME R1000-1D amp. As compared to R500X1D, the PRIME R1000-1D is also a Mono sub amplifier featuring Class-D Topology for significantly controlling analogue signal to digital signal and again converting to analogue, so through this process, efficient power distribution is achieved, curbing heat production while optimizing the amplifier’s holistic performance.

The PRIME R1000-1D stands as a robust and remarkably efficient amplifier, designed to reduce current consumption and protective measures, including a Protect LED indicator that activates in case of heat exposure or short circuits. In such instances, the R1000-1D amplifier automatically shuts down, ensuring a secure and safe environment for pairing it with the P3 subwoofer. With the ability to generate a steadfast 1000 watts of continuous power at 2 ohms, the PRIME R1000-1D will greatly power the P3 subwoofer, guaranteeing a playback of your music.

I found that Rockford Fosgate’s exclusive Punch EQ technology, the PRIME R1000-1D, empowers you to meticulously tailor your audio according to your personal preferences. As common on the PRIME R1000-1D amp, you will also find an integrated low-pass filter for effectively eliminating undesirable frequencies, culminating in a heightened level of sonic purity.

You will find protective measures within the PRIME R1000-1D amp, so these safeguards encompass over-current, short-circuit, and thermal overload protection, collectively working to avert potential harm to the amplifier while upholding its steadfast and dependable functionality.

As compared to R500X1D, the Rockford Fosgate company also featured MOSFET power and output stages on the PRIME R1000-1D amp. The body design of the PRIME R1000-1D amp is compact but different in shape if we compare it with the R500X1D. On the front body of R1000-1D, there is only a white logo, and all adjustments and connectivity are on the other side panel. On the connecting panel of the R1000-1D amplifier, you will find preamp-level inputs and outputs, Phase Switch, gain control, punch bass control, power, and red protection led light indicators, RCA Input Jacks, and RCA Pass-Thru Jacks, etc.

There are three 30-amp fuses installed in the chassis of the PRIME R1000-1D amplifier for carrying a maximum current of 30 amps to make the amp secure from overload. The punch level control is also included with the R1000-1D amp, so keep your maintenance with it.

RE Audio DTS-1000.1 Amplifier (Image credit: Amazon)

RE Audio DTS-1000.1 Amplifier

SA Series


Frequency Response: 17-180 Hz | Variable low-pass Filter: 40-180 Hz, 24 dB/octave | Subsonic Filter: 17-50 Hz, 24 dB/octave | Input Impedance: 20 K-Ohm | Input sensitivity: Low level: 100mV-6V | Bass Frequency: 30-80 Hz

Now after the R1000-1D amplifier, here is RE Audio DTS-1000.1 amp. While testing the DTS-1000.1 in the lab, I found lots of features that make this amp a perfect match for the Rock Fosgate P3 subwoofer. The RE Audio DTS-1000.1 amplifier boasts a DTS Series Monoblock Class D design featuring a Pulse Width Modulated MOSFET power supply (superb). As with other listed amplifiers, this DTS-1000.1 amp also includes wired remote bass level control as well.

Below I have mentioned RE Audio DTS-1000.1 powering handling capacities:

RMS Power Handling (14.4V)

  • 4 ohms: 330 watts x 1 channel
  • 2 ohms: 560 watts x 1 channel
  • 1 ohm: 800 watts x 1 channel

Peak Power Handling

  • 1600 watts x 1 channel

As the RE Audio DTS-1000.1 has a Mono channel operation design so you can only power your speaker with its single output channel only. The RE Audio DTS-1000.1 features Bridgeable with multi-link technology (MLT), so you can use it to bridge two channels together for single channel creation (with twice the power output). Also, DTS-1000.1 contains 2-Way System Protection circuitry, so when something goes wrong, like a short circuit, then the amplifier protection red light indicator turns to indicate you, and its circuit turns off the power supply automatically.

The silver color design of RE Audio DTS-1000.1 looks much more elegant due to its shiny surface, and on the front, there is nothing to see instead of RE Audio company trademark logos. On the side body of the DTS-1000.1 amp, you will find a bunch of connectivity options on the panel and bass level adjustments, and led light indicators. The side panel of DTS-1000.1 includes Dual speaker terminals (for hooking multi speakers), RCA level inputs (Nickel-plated),12AWG screw terminals (Nickel-plated), and Preamp RCA outputs, which you use for daisy chain multiple amps.

So overall, the RE Audio DTS-1000.1 is the best mono amplifier for Rockford Fosgate subwoofer and provides powerful performance, advanced features, and reliable construction to make you enjoy genres of music that heavily rely on bass, such as rock, hip-hop, and electronic music.

JL Audio Slash 500/1 Amplifier (Image credit: Amazon)

JL Audio Slash 500/1 Amplifier

Best Looking


Variable Low-pass filter: (40-200 Hz, 12 or 24 dB/octave) |  Parametric EQ bass boost: (0-15 dB at 20-80 Hz) | Variable infrasonic filter: (-24 dB/octave at 15-60 Hz)

After the MTX RT500D, here is another best amp for the Rockford Fosgate P3, which is the JL Audio Slash 500/1 model. The JL Audio Slash 500/1 Amplifier is meticulously crafted and has an elegant design coupled with formidable power provided by its regulated, Intelligent Power Supply system, making it a favored option among avid car audio aficionados.

The Slash 500/1 amp by JL Audio is capable of providing 500 watts RMS x 1 at 1.5 to 4 ohms of clean and efficient power, so after pairing it with your car audio system, you will be amazed. The JL Audio Slash 500/1 boasts sophisticated attributes that elevate the auditory journey, including an integrated low-pass filter and a bass boost circuit. In comparison to the R1000-1D and DTS-1000.1 models, this mono-block amplifier shines with its Class-D amplifier design and MOSFET power and output stages.

While testing JL Audio Slash 500/1 in Fab-audio visual lab, I felt it has a much more fancy look and is more beautiful then other amps. On the front, there is a logo in the center and three lights, Green For Power, Red For Thermal, and yellow for Low impedance.

On the backside of JL Audio Slash 500/1, you will find differential-balanced inputs, optional wired remote bass boost, speaker- and preamp-level inputs and preamp outputs, and other filters and controls like Infrasonic filter, advanced bass control, bass equalizer, Amp LP filter, amplifier input selection, and subwoofer output.

You can easily Set up the Slash 500/1 amplifier with your existing car audio system, as it has an intuitive layout and comes with detailed instructions. So overall, the Slash 500/1 amp boasts robust capabilities, a solid build, and an easily navigable design and stands as a premier amplifier selection among car audio enthusiasts seeking unparalleled sound quality for their vehicles.

MTX Road Thunder RT500D Amp (Image credit: Amazon)

MTX Road Thunder RT500D Amp

Best Mono Subwoofer Amplifier


Frequency Response: 20-200 Hz | Variable low-pass filter: (40-200 Hz, 12 dB/octave) | Variable subsonic filter: (20-50 Hz, 12 dB/octave) | Variable bass boost: (0-12 dB at 40 Hz)

After RE Audio DTS-1000.1, there is MTX RT500D, which is a great car audio mono subwoofer amplifier under the $500 range. The design of the MTX RT500D amp is effortless and looks like a decent baby.

With respect to its compact design, inside MTX RT500D it contains adaptive Class D amp technology (similar to JL Audio Slash 500/1 and R500X1D amp) for best perfume as Class-D (90% efficient and Low heat production) is much better technology than traditional amps with Class-A technology (25% efficient and high Heat Production) and  Class-AB technology (50% efficient and Medium heat Production).

On the connectivity panel of RE Audio DTS-1000.1, you will find the first option include GND,+BATT, and REM, and on the side of it, there are options for fuse, Input (L ch - R ch), Remote Gain, Gain control, Bass Boost control, Subsonic control, LPF control and preamp and speaker-level + and - inputs.

So overall, Opting for the MTX RT500D amplifier proves ideal when seeking to empower a Rockford Fosgate P3 12 subwoofer. As MTX RT500D has the capacity to deliver an impressive 500 watts RMS power at 2 ohms, which means it provides ample of power supply to fully unleash the capabilities of the P3 12 subwoofer for booming bass quality.

Quick Buying Tips

By Navigating the world of amplifiers, you will find an ideal match for your Rockford Fosgate P3 12-inch subwoofer can be a rewarding yet intricate endeavor. So I am mentioning quick buying tips which you have to follow correctly.

Power Matching

RMS Power

First, I will recommend you to aim for an amplifier that offers RMS power output within the recommended range of your Rockford Fosgate P3 12 subwoofer, and it would be best if the amp provides at least double the subwoofer’s RMS power handling; so In result, you will get super performance.

Mono vs. Multi-Channel

Mono Amplifier: With mono (single-channel) amplifiers, you will get a dedicated bass boost means it will focus on subwoofer power, so In result, low-frequency performance will be enhanced.

Multi-Channel Amplifier: For People building a complete sound system, I will recommend you to opt for a multi-channel amplifier which is capable of powering both your other speakers and P3 subwoofer and ensures a balanced audio experience.

Circuit diagram of monoblock amplifier

Impedance Match

Before qualifying purchase, do match both amplifier’s impedance (ohms) and P3 sub impedance, which ensures efficient power transfer and prevents subwoofer damage.

Features to Look For

Before purchasing an amp for the Rockford P3 subwoofer, my recommendation is also to find some additional features like Adjustable Crossovers, Bass Boost, Subsonic Filter, or Remote Control, and all of our listed amps contain these features.

Installation Considerations

Ensure by physically fitting the amplifier to your vehicle’s designated space or home audio system, and also adequate ventilation must be at the location for overheating prevention.

User Reviews and Expert Recommendations

After learning from Team fab-audio visual guidance, you can also read product reviews and seek advice from car audio enthusiasts or professionals to gain those already using P3 subwoofers with amps.


Amplifiers for Rockford Fosgate sub may cost you under $500, $1000 to $1500 budget, so what is your budget for an amp depends on your pockets.

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Frequently Asked Questions

Should I go for a mono (single-channel) or multi-channel amplifier for the P3 12 subwoofer?

For a P3 12-inch subwoofer, selecting a mono (single-channel) amplifier would be a great option, as Bass frequencies are predominantly presented in mono. So this phenomenon arises due to the inherent nature of subwoofers, which specialize in generating low-frequency sound waves. I recommend a monoblock amp for the P3 Rockford Fosgate subwoofer due to its excellent power output, efficiency, and budget-friendliness.

DoI need a separate amplifier for the Rockford Fosgate P3 12 if I already have a factory-installed amplifier?

The necessity of acquiring an independent amplifier for the Rockford Fosgate P3 12-inch sub, despite having a factory-installed amplifier, hinges upon several variables. These encompass the factory amplifier’s power output, subwoofer dimensions, and your individual auditory preferences.

For Example, an autonomous amplifier might not be imperative if your car factory amplifier possesses the requisite potency to power the P3 12 to your desired auditory thresholds sans sound distortion. 

However, situations arise wherein the factory amplifier lacks adequate power or if intensifying the bass performance of the P3 subwoofer becomes a priority; in these instances, contemplation of incorporating a separate amplifier holds merit.

What are the potential risks of using an amplifier that's too powerful for the Rockford Fosgate P3 12-inch subwoofer?

Yes, don’t use too powerful an amp for powering the P3 sub or any other subwoofer model so forcefully; your subwoofer will move beyond its limits and result in the voice coil and cone damage resulting in subwoofer failure. Not only the subwoofer but your amplifier will also die if of power quality and less heat dissipation, so always choose an amp that matches the specification of your subwoofer.

Tom Parsons
Tom Parsons is Audio Lover, and content writer by night. He Loves to test various combinations of home theater setups, speakers, receivers, amplifiers etc to churn out the maximum sound quality. To help other novice Audiophiles get the best bang for the buck, has taken it upon himself to regularly write on this website.